It seemed straight out of the evil-tech-company playbook. In August, Facebook secured an otherwise innocuous U.S. patent about how to analyze a user’s friend network to let them do something. Most of the patent discusses the fairly mundane technicalities of running a social network—until, last in a list of examples, there appeared the following paragraph: When an individual applies for a loan, the lender examines the credit ratings of members of the individual’s social network who are connected to the individual […].